Home / 122,312.28-168,774.63-67,863.57

Finding the Fourth Proportional to 122,312.28, 168,774.63 and 67,863.57

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Solution

The fourth proportional to 122,312.28, 168,774.63 and 67,863.57 is: 93,642.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,312.28 : 168,774.63 = 67,863.57 : x
  2. Step 2: Convert to fraction form
    122,312.28/168,774.63 = 67,863.57/x
  3. Step 3: Cross multiply
    122,312.28x = 168,774.63 × 67,863.57
  4. Step 4: Simplify right side
    122,312.28x = 11,453,648,917.23
  5. Step 5: Solve for x
    x = 11,453,648,917.23/122,312.28
  6. Step 6: Final answer
    x = 93,642.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.